Linear luminaire



FIG. 1 is a perspective view of a first embodiment of the ornamental design of a linear luminaire.

FIG. 2 is another perspective view of the design in FIG. 1;

FIG. 3 is a left side view of the design in FIG. 1;

FIG. 5 is a bottom view of the design in FIG. 1;

FIG. 6 is a front view of the design in FIG. 1;

FIG. 7 is a right side view of the design in FIG. 1;

FIG. 8 is a back view of the design in FIG. 1;

FIG. 9 is a perspective view of a second embodiment of the design;

FIG. 10 is a top view of the design in FIG. 9;

FIG. 11 is a perspective view of a third embodiment of the design; and,

FIG. 12 is top view of the design in FIG. 11. 

CLAIM The ornamental design for a linear luminaire, as shown and described. 